[cisco-voip] Unity 4.0 Messaging Failover

[Kenny Marus]

Here is the scenario.

Moving CallManager and Unity from a Data Center to Corporate Office. We are
looking to plan this correctly with the least amount of downtime possible.
The plan is to first move the CM Pub from the Data Center to the Corp
Office. Then build a 2nd Unity box at the Corp office and set it to run in
"Remote Failover" mode with the Primary Unity accross the WAN in the Data
Center. This will be a temporary solution while the Exchage Cluster is shut
down and moved from the Data Center to the Corp office. One thing to note
regarding the "Remote Failover" mode is that we will not have the Cisco
recommended 45 Mbps between sites however all we are trying to accomplish
with this is a short term access to Unity while the Primary Unity and
message store (Exchange Cluster) are being moved.


What will be the user expierence for the users when the Unity and Exchange
Cluster are shut down at the Data Center? Will they be able to access VM
through the TUI?


Data Center


-CallManager Pub/Sub
-Unity 4.0
-Exchange Cluster
-Domain Controller (Global Catalog Server)



Corp Office


-CallManager Pub (To be moved from Data Center)
-Unity 4.0 (Remote Failover)
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